#ifndef __THREAD_HPP__
#define __THREAD_HPP__

#include <iostream>
#include <string>
#include <functional>
#include <pthread.h>
#include <unistd.h>
#include <sys/types.h>

namespace ThreadModule
{
    using func_t = std::function<void()>;
    static int number = 1;
    enum class TSTATUS
    {
        NEW,
        RUNNING,
        STOP
    };

    class Thread
    {
    private:
        static void *Routine(void *arg)
        {
            Thread *t = static_cast<Thread *>(arg);
            t->_status = TSTATUS::RUNNING;
            t->_func();
            return nullptr;
        }

        void EnableDetach()
        {
            _joinable = false;
        }

    public:
        Thread(func_t func) : _func(func), _status(TSTATUS::NEW), _joinable(true)
        {
            _name = "Thread-" + std::to_string(number++);
            _pid = ::getpid();
        }
        bool Start()
        {
            if (_status != TSTATUS::RUNNING)
            {
                int n = ::pthread_create(&_tid, nullptr, Routine, this);
                if (n != 0)
                    return false;
                return true;
            }
            return false;
        }
        bool Stop()
        {
            if (_status == TSTATUS::RUNNING)
            {
                int n = pthread_cancel(_tid);
                if (n != 0)
                    return false;
                _status = TSTATUS::STOP;
                return true;
            }
            return false;
        }
        bool Join()
        {
            if (_joinable)
            {
                int n = ::pthread_join(_tid, nullptr);
                if (n != 0)
                    return false;
                _status = TSTATUS::STOP;
                return true;
            }
            return false;
        }

        void Detach()
        {
            EnableDetach();
            pthread_detach(_tid);
        }

        bool IsJoinable()
        {
            return _joinable;
        }

        std::string Name()
        {
            return _name;
        }
        
        ~Thread()
        {
        }

    private:
        std::string _name;
        pthread_t _tid;
        pid_t _pid;
        bool _joinable; // 是否是分离的，默认不是
        func_t _func;
        TSTATUS _status;
    };
}

#endif